Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 14, Pages 16367-16375Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b23356
Keywords
metal-organic frameworks (MOFs); isostructural MOFs; proton conductivity; oxygen evolution reaction; solvothermal; electrocatalyst
Funding
- National Natural Science Foundation of China [21971038, 21975044, 21805039, 21673039, 21573042]
- Natural Science Foundation of Fujian Province [2018J07001, 2019H6012]
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Here we synthesized two new isostructural MOFs (FJU-82-Co/FJU-82-Zn) and first observed that tuning of the proton conductivity may provide an effective strategy to improve the electrocatalytic OER perfomances of isostructural crystalline MOF materials. The conductivity value for FJU-82-Co is 7.40 x 10(-5) S cm(-1), which is 127-fold that for FJU-82-Zn with 5.80 x 10(-7) S cm(-1) at 60 degrees C and 98% RH, while the overpotential of FJU-82-Co is 0.57 V at 1 mA cm(-2), which is better than that of FJU-82-Zn with 1.17 V.
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